21508734 is an even 8-digits composite number following 21508733
and preceding 21508735 . In scientific notation, it is written as 2.1508734 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6589440 positive integers (up to 21508734) that are relatively prime to 21508734.
21508734 has 32 divisors, whose sum is 46527264
The reverse of 21508734 is 43780512
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred eight thousand seven hundred thirty-four
Scientific notation
2.1508734 × 10^7
Engineering notation
2.1508734 × 10^6
Prime Factorization
2 × 3 × 13 × 313 × 881
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21508734
Product of the distinct prime numbers
The prime factorization of 21508734 is 2 × 3 × 13 × 313 × 881.
Since it has a total of 5 prime factors.
1 , 8 , 25 , 63 , 211 , 560 , 6586 , 9630 , 9987 , 64198 , 369467 , 138888 , 552081 , 1053755 , 62584728 , 72765167 , 639432969 , 899748684 , 5651618535 , 8368671661
n×2
43017468
n×3
64526202
n×4
86034936
n×5
107543670
n÷2
10754367
n÷3
7169578
n÷3
5377183.5
n÷5
4301746.8
n2
462625638282756
n3
9.950491795404E+21
n4
2.1402248119653E+29
n5
4.6033526180761E+36
2 √n
4637.7509635598
3 √n
278.10253623222
4 √n
68.101034966877
5 √n
29.276757113329
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 313 , 626 , 881 , 939 , 1762 , 1878 , 2643 , 4069 , 5286 , 8138 , 11453 , 12207 , 22906 , 24414 , 34359 , 68718 , 275753 , 551506 , 827259 , 1654518 , 3584789 , 7169578 , 10754367 , 21508734
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21508733
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21508734 can be divided by 32 positive divisors.
The sum of these divisors (counting 21508734) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000011001001111110
3
Ternary
1111110202102210
4
Quaternary
1102003021332
5
Quinary
21001234414
6
Senary
2045001250
8
Octal
122031176
10
Decimal
21508734
12
Duodecimal
7253226
16
Hexadecimal
148327e
20
Vigesimal
6e8bge
36
Base36
ct08u
md5
1f403898d8a29f7afbe77660e216f4c5
sha1
297dd06613030370dc1794354961068e68f34072
sha256
c617d9a263db288a6fac2b9bf4a8bd83d37a1fc60d871002052a0a8cbed579b8
sha512
a377bf684faad2fbf180bbb983c5a5e9d82318130a1f2541afc9d3f69bb5d3d32468772006cf7114c39b13237798548797a9db4493054f280347b9663315afc9
ripemd-160
f259dc1c63cb08968e47095925ae0fd4d18b610c
Diameter
43017468
Circumference
135143361.44483
Area
1.4533813065914E+15
Volume
4.1680522565396E+22
Surface area
5.8135252263656E+15
Circumference
135143361.44483
Perimeter
86034936
Area
462625638282756
Diagonal
30417943.332275
Surface area
2775753829696536
Volume
9.950491795404E+21
Space diagonal
37254220.094484
Perimeter
64526202
Area
2.0032277759743E+14
Altitude
18627110.047242
Surface area
2.0032277759743E+14
Volume
1.1726767041119E+21
Height
10139314.444092